This problem often occurs when you turn your smartphone off and on again, insert a new SIM card, or, in some cases, while using your phone, when your SIM card is suddenly undetected.

If your phone suddenly won't recognize your SIM card, don't panic. There are a few things you can do to try and resolve the problem. Here's what to do.

SIM card errors are some of the common problems on many smartphones. If you’re one of the unlucky users to encounter No SIM card detected error on your new Galaxy Note10+, don’t worry.

Straight Talk Galaxy Note 5 won’t recognize any SIM card, plus other problems By Harvey Hisona March 4, 2016 April 11, 2022 1 Comment ...

The particular issue can arise from various reasons, including software glitches, SIM card problems, or misconfigured network settings. Physical factors such as poor signal strength, temporary ...

iPhone 4S users are reporting SIM card issues with their handsets. A thread about the topic on the Apple support site has now accumulated more than 200 posts and 30,000 views, suggesting that the ...